Improvement in stencil copying-presses



A. E. HIX.

STENCIL COPYING PRESS.

N0.18-6,733. Patented Jan.30, 1877.

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N. PETERS, PhOTO-L THOGRAFH=R WASHINGTON D c UNITED STATES" ALBERTEUGENE HIX, SYGAMORE, ILLINOIS.

IMPROVEMENT IN ST ENCIL COPVlNG-PRE SSES.

Specification forming part of Letters Patent No. 186,733, dated January30, 1877; application filed September 30, 1876.

To all whom it may concern:

Be it known that I, ALBERT E. HIX, of Sycamore, in thecounty of De Kalband the State of Illinois, have invented a new and useful Improvement inStencil Copying-Presses, which is fully described in the followingspecification, reference being had to the accompanying drawings, inwhich Figure 1 represents a side elevation of the press; Fig. 2, an end.elevation of the same; and Fig. 3, a transverse section taken on theline am, Fig. 1.

The object of my invention is to provide a printing-press for use inproducing copies from stencil-paper prepared with a stencilperforating-pen, such as is now well known and in common use.

The invention consists in fastening the paper stencil to thecircumference of a printingcylinder, which is first covered with a clothor other suitable material saturated with ink, and in combining thiscylinder with a second plain roller, against which it revolves when thepaper to receive the copy is passed between them, and also in variousdetails of construction, which will be hereinafter fully set forth.

In the drawings, Arepresents a bed or base of any material suitable forthe attachment and support of the printing-press. The press-v frameconsists of two upright standards, B, Which are secured in any suitablemanner to the base A, and two horizontal pieces, 0, which are pivoted atone end to the upper standards B, so that they may be readily turnedback whenever desired. A cylinder, D, is mounted in suitable hearings inthe hinged pieces 0. This cylinder should be of such size that itscircumference will be equal to the length of an ordinary sheet of paper,and is preferably made of metal, in order that it may present a hardsmooth surface. Ashallow longitudinal groove, 01, is cut the entirelength of the cylinder, in the bottom of which screwthreaded holesare-made, so that a thin plate, E, may be secured to the cylinder,within the groove, by the screws 6. The cylinder D is covered with acloth, F, saturated with suitable printing-ink. This cloth may be of anykind whatever that will take up and hold a large quantity of ink, andany other material suitable for this purpose may be used instead ofcloth. A second cylinder, G, is mounted just underneath the cylinder D,in suitable hearings in the standards B. This cylinder G is an ordinaryplain roller, somewhat smaller than the cylinder D, and preferably madeof metal. Two headed bolts, a, pass up through holes in the lower endsof the standards B.

The forward or free ends of the hinged pieces (J are provided withrecesses or slots 0, which the bolts or enter when the hinged pieces arebrought down in the working .position of the' contact with the roller G,with a yielding force depending upon the strength of the springs b, andalso that the cylinder may be removed from contact with the roller G bysimply re moving the nuts from the upper ends of the bolts a, so thathinged pieces 0 may be turned back on their pivots. 1

A sheet of paper, H, having been prepared by the operation of aperforating stencil-pen in the ordinary way, is put around the cylinderD, outside of the inked cloth F, and both ends are brought around so asto lap each other over the groove d. The ends of the inkcarrier F arealso arranged in a similar manner,-an d the strip E is placed upon theout side of both cloth and paper, forced down into the groove, andsecured in place, as heretofore described. Both the ink-carrier and thestencil-paper will thus be securely fastened to the surface of thecylinder D. A crank, I, is attached to one end of the shaft of thecylinder D, by means of which the latter is rotated.

The operation of this press is as follows: The ink-cloth F and the paperstencil H hav-' ing been secured upon the cylinder D, as describedabove, (the latter heing swung back for the purpose, as shown in dottedlines in Fig. 2,) the hinged pieces 0 are brought down and secured inthe position shown in Figs. 1 and 2 of the drawings, as described above.In this position the cylinder D is held in con- Orin,

tact with the roller Gr, under the pressure of the strong springs 12. Aclean sheet of paper is then placed with its edge entering between therollers, and the crank I is turned, which causes the rotation of bothcylinders, and the sheet of paper is drawn through between them,receiving through its passage ink which is pressed through the smallperforations in stencil-paper, and thus a copy of the stenciled matterwill be left upon the copy-sheet.

The plate E is not quite flush with the surface of the cylinder, andtherefore the groove (1 will act as a stop to hold the cylinder D frombeing turned easily when the groove is brought opposite the roller G.

With this press copies are produced with great facility and in largenumbers, more than a hundred having been produced by me from a singlestencilwithout changing paper or cloth. The mechanism heretoforeemployed for obtaining these stencil-copies cannot be operated rapidly;but it is obvious that with my press copies may be produced as fast assheets of paper can be fed to the rollers.

I have described one method of fastening the ink-holder and stencil uponthe cylinder; but 1 do not wish to confine myself to the special deviceshown, for it is evident that some other means may be employed withoutdeparting from the gistof my invention.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. A cylinder, D, in combination with the ink-holder F and paper stencil11, arranged on the cylinder, as described, and secured thereto,substantially as and for the purpose set forth.

2. The cylinder D, provided with a longitudinal groove d, in combinationwith the inked fabric F, paper stencil H, and bindingstrip E,substantially as described.

3. The combination of the cylinder D, ink- Y holder F, and paper stencilH, arranged upon and fastened to the cylinder, and roller G,substantially as and for the purpose set forth.

4. The combination of the standards B, pivoted pieces 0, cylinder D,bolts a, and springs 11, substantially as and for the purpose set forth.

ALBERT EUGENE HIX. Witnesses:

A. M. STARK, G. W. MOSHER.

